<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>添加商品</el-breadcrumb-item>
    </el-breadcrumb>

    <el-card>
      <el-alert title="添加商品信息" type="info" center show-icon :closable="false"> </el-alert>

      <el-steps :space="200" :active="activeIndex-0" finish-status="success" align-center>
        <el-step title="基本信息"></el-step>
        <el-step title="商品参数"></el-step>
        <el-step title="商品属性"></el-step>
        <el-step title="商品图片"></el-step>
        <el-step title="商品内容"></el-step>
        <el-step title="完成"></el-step>
      </el-steps>

      <el-form :model="addForm" ref="addFormRef" :rules="addFormRules" label-width="100px" label-position="top">
        <el-tabs v-model="activeIndex" :tab-position="'left'" @tab-click="tabClicked" :before-leave="beforeTabLeave">

          <el-tab-pane label="基本信息" name="0">
            <el-form-item label="商品名称" prop="goods_name">
              <el-input v-model="addForm.goods_name"></el-input>
            </el-form-item>
            <el-form-item label="商品价格" prop="goods_price">
              <el-input v-model="addForm.goods_price" type="number"></el-input>
            </el-form-item>
            <el-form-item label="商品重量" prop="goods_weight" type="number">
              <el-input v-model="addForm.goods_weight"></el-input>
            </el-form-item>

            <el-form-item label="商品数量" prop="goods_number" type="number">
              <el-input v-model="addForm.goods_number"></el-input>
            </el-form-item>
            <el-form-item label="商品分类" prop="goods_cat">
              <el-cascader props.expandTrigger="hover" :options="cateList" :props="cateProps"
                v-model="addForm.goods_cat" @change="handleChange"> </el-cascader>
            </el-form-item>
          </el-tab-pane>

          <el-tab-pane label="商品参数" name="1">
            <el-form-item :label="item.attr_name" v-for="item in manyTableData" :key="item.attr_id">
              <el-checkbox-group v-model="item.attr_vals">
                <el-checkbox :label="cb" v-for="(cb,i) in item.attr_vals" :key="i" border></el-checkbox>
              </el-checkbox-group>
            </el-form-item>
          </el-tab-pane>
          <el-tab-pane label="商品属性" name="2">
            <el-form-item :label="item.attr_name" v-for="item in onlyTabData" :key="item.attr_id">
              <el-input v-model="item.attr_vals"></el-input>
            </el-form-item>

          </el-tab-pane>
          <el-tab-pane label="商品图片" name="3">
            <el-upload :headers="headersObj" :action="uploadURL" :on-preview="handlePreview" :on-remove="handleRemove"
              :before-remove="beforeRemove" list-type="picture" :on-success="handleSuccess">
              <el-button size="small" type="primary">点击上传</el-button>
            </el-upload>

          </el-tab-pane>
          <el-tab-pane label="商品内容" name="4">
            <quill-editor v-model="addForm.goods_introduce"></quill-editor>
            <el-button type="primary" class="btnAdd" @click="add">添加商品</el-button>
          </el-tab-pane>
        </el-tabs>
      </el-form>

    </el-card>

  </div>
</template>

<script>
  import _ from 'lodash'
  export default {
    data() {
      return {
        headersObj: {
          Authorization: window.sessionStorage.getItem('token')
        },
        uploadURL: 'http://127.0.0.1:8888/api/private/v1/upload',
        onlyTabData: [],
        manyTableData: [],
        cateProps: {
          label: 'cat_name',
          value: 'cat_id',
          children: 'children'
        },
        cateList: [],
        activeIndex: '0',
        addForm: {
          goods_introduce: '',
          pics: [],
          goods_name: '',
          goods_price: 0,
          goods_weight: 0,
          goods_number: 0,
          //文档添加商品，以为','分割的分类列表 商品所属的分类数组
          goods_cat: [],
          attrs: []
        },
        addFormRules: {
          goods_name: [{required: true,message: '此处是prop，校验规则，请输入商品名称',trigger: 'blur'}],
          goods_price: [{required: true,message: '请输入商品价格',trigger: 'blur'}],
          goods_weight: [{required: true,message: '请输入商品重量',trigger: 'blur'}],
          goods_number: [{required: true,message: '请输入商品数量',trigger: 'blur'}],
          goods_cat: [{required: true,message: '请输入商品数量',trigger: 'blur'}]
        }
      }
    },
    created() {
      this.getCateList()

    },

    mounted() {},

    methods: {
      async add(){
          // console.log(this.addForm)
          const form = _.cloneDeep(this.addForm)
          form.goods_cat = form.goods_cat.join(',')
          this.manyTableData.forEach(item=>{
            const newInfo = {
              attr_id:item.attr_id,
              attr_value:item.attr_vals.join(' ')
            }
            this.addForm.attrs.push(newInfo)
          })
          this.onlyTabData.forEach(item => {
            const  newInfo = {
              attr_id: item.attr_id,
              attr_value:item.attr_vals
            }
            this.addForm.attrs.push(newInfo)
          })
          form.attrs = this.addForm.attrs
          console.log(form)
          const {data: res} = await this.$http.post('goods',form)
          if(res.meta.status !== 201){return this.$message.error('添加商品失败')}
          this.$message.success('添加商品成功!')
          this.xxxx = res.data
          this.$router.push('/goods')
      },
      handleSuccess(response) {
        // console.log(response)
        const picInfo = {
          pic: response.data.tmp_path
        }
        this.addForm.pics.push(picInfo)
        console.log(this.addForm)
      },
      handlePreview() {

      },
      handleRemove() {},
      beforeRemove() {},
      beforeTabLeave(activeName, oldActiveName) {
        // console.log(activeName +' '+oldActiveName)
        if (oldActiveName === '0' &&
          this.addForm.goods_cat.length !== 3) {
          this.$message.error('请选择商品分类')
          return false
        }

      },
      handleChange() {
        console.log(this.addForm.goods_cat)
        if (this.addForm.goods_cat.length !== 3) {
          this.$message.error('请选择商品分类')
          this.addForm.goods_cat = []
          return false
        }
      },
      async getCateList() {
        const {
          data: res
        } = await this.$http.get('categories')
        if (res.meta.status !== 200) return this.$message.error('获取商品分类失败!')
        this.cateList = res.data
        console.log(this.cateList)
      },

      async tabClicked(e) {
        console.log(e.name);
        // console.log(this.activeIndex + ' ' + this.addForm.goods_cat);
        if (this.activeIndex === '1') {
          const {
            data: res
          } = await this.$http.get(`categories/${this.cateId}/attributes`, {
            params: {
              sel: 'many'
            }
          })
          if (res.meta.status !== 200) {
            return this.$message.error('获取动态数据失败!')
          }
          console.log(res.data)
          res.data.forEach(item => {
            item.attr_vals = item.attr_vals.length === 0 ? [] : item.attr_vals.split(' ')
          })
          this.manyTableData = res.data
        } else if (this.activeIndex === '2') {
          const {
            data: res
          } = await this.$http.get(`categories/${this.cateId}/attributes`, {
            params: {
              sel: 'only'
            }
          })
          if (res.meta.status !== 200) {
            return this.$message.error('获取动态数据失败!')
          }
          this.onlyTabData = res.data
          console.log(res.data)

        }
      }

    },
    computed: {
      cateId() {
        if (this.addForm.goods_cat.length === 3) {
          return this.addForm.goods_cat[2]
        }
        return null
      }
    }
  }
</script>

<style lang="less" scoped>
  .btnAdd{
    margin-top: 15px;
  }
  .el-card {
    // height: 1000px;
  }

  .el-steps {
    margin: 15px 0;
  }

  .el-step__title {
    font-size: 13px;
  }
</style>
